1. SCIENCE
A system of knowledge about the natural world and the methods used to find that knowledge.

2. The use of scientific knowledge to solve practical problems.
TECHNOLOGY
The use of scientific knowledge to solve practical problems.

3. CHEMISTRY
The study of what things are made of – the structure, properties and reactions of matter.

4. PHYSICS
The study of how things work – the interactions between matter, energy, forces and motion.

5. The study of the history and structure of the Earth.
GEOLOGY
The study of the history and structure of the Earth.

6. The study of the universe outside the Earth.
ASTRONOMY
The study of the universe outside the Earth.

7. The study of living things.
BIOLOGY
The study of living things.

8. SCIENTIFIC METHOD
An organized plan for gathering information to answer questions or solve problems.

9. HYPOTHESIS
An educated guess – a proposed answer to a question based on facts and reasons.

10. CONTROLLED EXPERIMENT
An experiment in which only one variable (factor) is changed at a time.

11. SCIENTIFIC THEORY
An explanation of observations or experiments that has been tested over and over by many scientists with the same result.

12. SCIENTIFIC MODEL
A representation of an object or event that is too big or too small to observe directly.